Moon Craters

Historic planetary instability and catastrophe. Evidence for electrical scarring on planets and moons. Electrical events in today's solar system. Electric Earth.

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Re: Recovered: Hexagonal Craters

Unread postby bboyer » Tue Mar 25, 2008 3:50 am

Posted: Fri Sep 21, 2007 6:30 pm Post subject: Re: PhotoShop Boost Reply with quote
OP "mgmirkin"

Steve Smith wrote:Hey Dave Smith,

Can you do one of your photo transformations for me? Would you simply flip this image vertically? It looks much better "upside down". Go ahead and post it here too, please, since this thread doesn't get a lot of discussion, it doesn't matter much if the image is too big...

Large Iapetus Bulge

Thanks for your help.

Steve


I got ya' covered on this one:

(Iapetus bulge; rotated 180 degrees from original.)
IapetusBulgeRotated.jpg
(click to view larger image)

Gotta' go.

Cheers,
~Michael Gmirkin
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Re: Recovered: Hexagonal Craters

Unread postby bboyer » Tue Mar 25, 2008 3:53 am

Posted: Sat Sep 29, 2007 4:51 pm Post subject: Reply with quote
OP "redeye"

http://antwrp.gsfc.nasa.gov/apod/ap070919.html

Just above the center of this image is a small bright patch where an impacting rock might have uncovered deep clean water ice.


Possible arc discharge?
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Re: Recovered: Hexagonal Craters

Unread postby bboyer » Tue Mar 25, 2008 3:54 am

Posted: Wed Oct 03, 2007 2:32 pm Post subject: Impacting rock? Where's the 'impact crater'?... Reply with quote
OP "davesmith"

Redeye wrote:http://antwrp.gsfc.nasa.gov/apod/ap070919.html

Quote:
Just above the center of this image is a small bright patch where an impacting rock might have uncovered deep clean water ice.


Possible arc discharge?[/quote]

Well, I certainly don't see an 'impact crater' corresponding to the bright patch, maybe it was one of them shovel nosed slow moving rocks uncovering deep water ice half-way up the hill?
<snip>
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Re: Recovered: Hexagonal Craters

Unread postby bboyer » Tue Mar 25, 2008 4:00 am

Posted: Wed Oct 03, 2007 3:44 pm Post subject: Reply with quote
OP "mgmirkin"

redeye wrote:http://antwrp.gsfc.nasa.gov/apod/ap070919.html

Just above the center of this image is a small bright patch where an impacting rock might have uncovered deep clean water ice.


Possible arc discharge?


I'm assuming they mean the bright spot toward the upper middle portion of this image:
http://photojournal.jpl.nasa.gov/jpeg/PIA08372.jpg

If so, I'd say that it's probably no more "evidence of water" than these images of the moon, now available through Google Moon.

Bright crater amidst blackened terrain.

Another bright crater amidst blackened terrain.

Extremely [bright] high albedo rayed crater.

Something else I'd not noticed before. The bright spot it right at the lip of another crater. So, it may be the byproduct of a discharge? Much as the light and dark streaks (some have erroneously referred to them as geysers) in the south polar regions appear to simply be high and low albedo materials lying on the surface...

Cheers,
~Michael Gmirkin
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Re: Recovered: Hexagonal Craters

Unread postby bboyer » Tue Mar 25, 2008 4:01 am

Posted: Thu Oct 04, 2007 2:12 am Post subject: Reply with quote
OP "SeaSmith"

mgmirkin wrote:Something else I'd not noticed before. The bright spot it right at the lip of another crater. So, it may be the byproduct of a discharge? Much as the light and dark streaks (some have erroneously referred to them as geysers) in the south polar regions appear to simply be high and low albedo materials lying on the surface...


Quite possibly.. I've seen in the Sinai Peninsula, and read about the Nazca Plain,, where the surface was a very dark, scorched looking, crust;
covering a chalky-white gypsum or limestoney sub-surface.
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Re: Recovered: Hexagonal Craters

Unread postby bboyer » Tue Mar 25, 2008 4:04 am

Posted: Wed Oct 10, 2007 6:20 am Post subject: Reply with quote
OP "SeaSmith"

Tail side of Iapetus
Dark on the equator...

iapetus2_cassini.jpg
(click to view larger image)

Explanation: What has happened to Saturn's moon Iapetus? Vast sections of this strange world are dark as coal, while others are as bright as ice. The composition of the dark material is unknown, but infrared spectra indicate that it possibly contains some dark form of carbon. Iapetus also has an unusual equatorial ridge that makes it appear like a walnut. To help better understand this mysterious moon, NASA directed the robotic Cassini spacecraft orbiting Saturn to swoop within 2,000 kilometers just last month. Pictured above, from about 75,000 kilometers out, Cassini's trajectory allowed unprecedented imaging of the hemisphere of Iapetus that is always trailing. A huge impact crater seen in the south spans a tremendous 450 kilometers and appears superposed on an older crater of similar size. The dark material is seen increasingly coating the easternmost part of Iapetus, darkening craters and highlands alike. Close inspection indicates that the dark coating typically faces the moon's equator. Whether Iapetus' colors are the result of unusual episodes of internal volcanism or external splattering remains unknown. This and other images from Cassini's Iapetus flyby are being studied for even greater clues.


Wonder if the "dark coating" is similar in nature to the 'scorched' look of the zapped-out areas in East Africa and Sinai ?

http://antwrp.gsfc.nasa.gov/apod/astropix.html
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Re: Recovered: Hexagonal Craters

Unread postby bboyer » Tue Mar 25, 2008 4:04 am

Posted: Fri Oct 12, 2007 5:38 pm Post subject: Reply with quote
OP "mgmirkin"

Don't know if these have been posted yet. But they seemed interesting:

http://ciclops.org/view.php?id=3810
http://www.nasa.gov/mission_pages/cassi ... 10010.html
http://www.nasa.gov/mission_pages/cassi ... 10011.html
http://www.nasa.gov/mission_pages/cassi ... 10012.html

Don't know what exactly they tell us... But perhaps we can glean somethign from them, eh?

Cheers,
~Michael Gmirkin
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Re: Recovered: Hexagonal Craters

Unread postby bboyer » Tue Mar 25, 2008 4:05 am

Posted: Fri Oct 19, 2007 6:42 pm Post subject: We've got MOVIE SIGN! Reply with quote
OP "mgmirkin"

Not sure if this had been proffered yet...

(Iapetus ridge MOVIE! Hope you've got broadband!)
http://saturn.jpl.nasa.gov/multimedia/v ... ideoID=162
http://saturn.jpl.nasa.gov/multimedia/v ... _movie.mov

They inserted "simulated" frames between the real ones. But, you'd never know the difference, methinks. I can't really tell...?

Cheers,
~Michael Gmirkin
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Re: Recovered: Hexagonal Craters

Unread postby bboyer » Tue Mar 25, 2008 4:08 am

Posted: Thu Dec 06, 2007 11:05 pm Post subject: Reply with quote
OP "redeye"

NEWS RELEASE: 2007-142 Dec. 6, 2007

Images of Saturn's Small Moons Tell the Story of Their Origins

Imaging scientists on NASA's Cassini mission are telling a tale of how the small moons orbiting near the outer rings of Saturn came to be. The moons began as leftover shards from larger bodies that broke apart and filled out their "figures" with the debris that made the rings.

It has long been suspected that Saturn's rings formed in the disintegration of one or several large icy bodies, perhaps pre-existing moons, by giant impacts. The resulting debris quickly spread and settled into the equatorial plane to form a thin disk surrounding the planet. And the small, irregularly shaped ring-region moons were believed to be the leftover pieces from this breakup.

Now, several years' worth of cosmic images of Saturn's 14 known small moons have been used to derive the sizes and shapes of most of them, and in about half the cases, even masses and densities. This information, published in the Dec. 7 issue of the journal Science, has led to new insights into how some of these moons may have formed.

The tip-off was the very low density of the inner moons, about half that of pure water ice, and sizes and shapes that suggested they have grown by the accumulation of ring material. The trouble was, these moons are within and near the rings, where it is not possible for small particles to fuse together gravitationally. So how did they do it? They got a jump start.

"We think the only way these moons could have reached the sizes they are now, in the ring environment as we now know it to be, was to start off with a massive core to which the smaller, more porous ring particles could easily become bound," said Carolyn Porco, Cassini imaging team leader from the Space Science Institute in Boulder , Colo. Porco is the lead author of the first of two related articles published in this week's issue of Science.

Simple calculations and more complicated computer simulations have shown that ring particles will readily become bound to a larger seed having the density of water ice. By this process, a moon will grow even if it is relatively close to Saturn. The result is a ring-region moon about two to three times the size of its dense ice core, covered with a thick shell of porous, icy ring material. To make a 30-kilometer moon (19 miles) requires a seed of about 10 kilometers (6 miles).

Where did such large cores come from? And when did this all take place?

"The core may in fact be one of the remnants from the original ring-forming event," said co-author Derek Richardson, professor of astronomy at the University of Maryland, College Park, "which might have been left intact all this time and protected from additional collisional breakup by the mantle of ring particles around it."

Just exactly when the rings formed is not known. "But it is not out of the question that the moons date back to the time of ring formation," said Porco.

The researchers show that the cores of Pan and Daphnis, which orbit within gaps in the outer A ring, were large enough to open narrow gaps. Accretion, or accumulation of material, they say, probably occurred quickly. The moons grew and their gaps widened, achieving their present sizes before the gaps were completely emptied of material, and probably before the local rings reached their present thickness.

So how did Pan in the main rings, and Atlas, which orbits just beyond the outer edge of the main rings, get the prominent equatorial ridges that make them look like flying saucers? The second paper reports evidence for a secondary stage of accretion that occurred after the moons' growth was completed and after the rings flattened to their present 20-meter (66 feet) thickness.

"Our computer simulations show that the ridges must have accreted rapidly when Saturn's rings were thin, forming small accretion disks around the equators of Pan and Atlas," said Sebastien Charnoz, lead author and an associate of imaging team member Andre Brahic at the University Paris-Diderot and CEA Saclay, in France . "The ridges might be the remains of 'fossilized' accretion disks, fundamental structures seen at all scales in the universe, from planetary rings to galaxies."

Images of Saturn's small moons are available at: http://saturn.jpl.nasa.gov and http://www.nasa.gov/cassini and http://ciclops.org.

The Cassini-Huygens mission is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. JPL, a division of the California Institute of Technology in Pasadena , manages the Cassini mission for NASA's Science Mission Directorate, Washington , D.C. The Cassini orbiter and its two onboard cameras were designed, developed and assembled at JPL. The imaging team is based at the Space Science Institute, Boulder , Colo.

-end-
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Re: Recovered: Hexagonal Craters

Unread postby bboyer » Tue Mar 25, 2008 4:13 am

Posted: Mon Dec 10, 2007 7:04 am Post subject: Hexagonal craters Reply with quote
OP "Eres"

In the conventional hypothesis of impact craters, how can the hexagonal shape be explained?
Simple, it can't.

pia07690br500zq3.jpg
(click to view larger image)

pia01656xk9.jpg
(click to view larger image)



http://photojournal.jpl.nasa.gov/jpeg/PIA08125.jpg

http://saturn.jpl.nasa.gov/multimedi...m?imageID=1644

http://saturn.jpl.nasa.gov/multimedi...m?imageID=2122

http://photojournal.jpl.nasa.gov/jpeg/PIA01656.jpg

http://photojournal.jpl.nasa.gov/jpeg/PIA01656.jpg
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Re: Recovered: Hexagonal Craters

Unread postby bboyer » Tue Mar 25, 2008 4:14 am

Posted: Mon Dec 10, 2007 11:47 am Post subject: Very good point... Reply with quote
OP "Michael Goodspeed"

HI there Eres,

You've raised a very intriguing point -- and in fact, I have to admit that I'm not too familiar with these formations. Upon doing a quick Google search for 'hexagonal craters', I came across these extremely compelling cratering patterns on Mars: http://www.mroimages.com/angular%20craters.html
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Re: Recovered: Hexagonal Craters

Unread postby bboyer » Tue Mar 25, 2008 4:16 am

Posted: Mon Dec 10, 2007 12:14 pm Post subject: Re: Very good point... Reply with quote
OP "davesmith_au"

Giday all, Eres you do raise an excellent point.

Michael, and Eres, on the TPOD board under Tortured Landscape of Iapetus <this thread under the new forums>, start at the 1st page, work your way through. Don't be drinking soda at the same time though, you've been warned. Polygonal craters get a bit of a run in that thread, and a few others by vague memory. Use the search function for 'polygonal'. Don't search for 'polygonal craters' or you'll get all the results for 'craters' too, and that's heaps...

The reason I mention polygonal was that in earlier discussion here about the hexagonal craters, someone mentioned not only them but also square, pentagonal, etc.


Happy searching, I'm too pooped to consider it at the moment, off to bed soon, so I guess you mob are just starting your day.

Cheers, Dave Smith.
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Re: Recovered: Hexagonal Craters

Unread postby bboyer » Tue Mar 25, 2008 4:17 am

Posted: Mon Dec 10, 2007 12:14 pm Post subject: Reply with quote
OP "Michael Goodspeed"

And speaking of hexagonal cratering patterns:

From http://www.iop.org/EJ/abstract/0963-0252/13/1/021

Hexagon and stripe patterns in dielectric barrier streamer discharge

Lifang Dong et al 2004 Plasma Sources Sci. Technol. 13 164-165 doi:10.1088/0963-0252/13/1/021

Lifang Dong, Yafeng He, Zengqian Yin and Zhifang Chai
College of Physics Science and Technology, Hebei University, 071002, Baoding, People's Republic of China
E-mail: DongLF@mail.hbu.edu.cn
Abstract. We present a specially designed dielectric barrier discharge (DBD) system for the study of pattern formation. Hexagon and stripe patterns have been observed in a streamer discharge in a DBD for the first time. The phase diagram of pattern types as a function of applied voltage is given.
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Re: Recovered: Hexagonal Craters

Unread postby bboyer » Tue Mar 25, 2008 4:18 am

Posted: Mon Dec 10, 2007 12:22 pm Post subject: Reply with quote
OP "Plasmatic MnemoHistory"

Perfect ,lets see 4d "dark" matter mystics explain how a "dirty snow ball " could create a crater of such "unnatural" shape. Exellent observation you guys! :D
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Re: Recovered: Hexagonal Craters

Unread postby bboyer » Tue Mar 25, 2008 4:20 am

Posted: Mon Dec 10, 2007 3:39 pm Post subject: Reply with quote
OP "Eres"

Hi Michael,
I always read your articles that I find very interesting, I liked a lot that recent on the discovery of the WMAP and the consequent crisis of the standard cosmology.
I had not written it before, but in truth pentagonal craters exist also as that in the first image of Dione, after all the images are very evident.
Very interesting the link that you have signalled even if unfortunately it's not for free access, finally a possible (or probable) connection among experiments in the plasma field, electricity and the absolutely peculiar characteristic like the polygonal craters, that don't find any possible explanation into the impact model.
In effect the only response that I have had more than one year ago on this matter, by an knowed exponent of mainstream has been: "I don't know what causes those strange shapes. Probably just accident." :shock:
the bold is mine.
Then it's not true, god plays to dice... :)
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